Quoting kernel test robot (2020-07-09 21:12:29) > Hi Stephen, > > First bad commit (maybe != root cause): > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > master > head: 0bddd227f3dc55975e2b8dfa7fc6f959b062a2c7 > commit: bbd7ffdbef6888459f301c5889f3b14ada38b913 clk: Allow the common clk > framework to be selectable > date: 9 weeks ago > config: openrisc-randconfig-s031-20200710 (attached as .config) > compiler: or1k-linux-gcc (GCC) 9.3.0 > reproduce: > wget > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O > ~/bin/make.cross > chmod +x ~/bin/make.cross > # apt-get install sparse > # sparse version: v0.6.2-37-gc9676a3b-dirty > git checkout bbd7ffdbef6888459f301c5889f3b14ada38b913 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 > CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=openrisc > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <[email protected]> > > > sparse warnings: (new ones prefixed by >>) > > drivers/clk/clk-hsdk-pll.c:407:24: sparse: sparse: incorrect type in > argument 1 (different address spaces) @@ expected void *addr @@ got > void [noderef] <asn:2> *spec_regs @@ > >> drivers/clk/clk-hsdk-pll.c:407:24: sparse: expected void *addr > drivers/clk/clk-hsdk-pll.c:407:24: sparse: got void [noderef] <asn:2> > *spec_regs > drivers/clk/clk-hsdk-pll.c:409:24: sparse: sparse: incorrect type in > argument 1 (different address spaces) @@ expected void *addr @@ got > void [noderef] <asn:2> *regs @@ > drivers/clk/clk-hsdk-pll.c:409:24: sparse: expected void *addr > drivers/clk/clk-hsdk-pll.c:409:24: sparse: got void [noderef] <asn:2> > *regs
Looks like openrisc arch has an improper annotated version of iounmap().

